粉煤灰加气混凝土砌块墙体裂缝构成启事及防裂做法(国外英文资料).docVIP

粉煤灰加气混凝土砌块墙体裂缝形成原因及防裂做法(国外英文资料) The water content of masonry should be less than 15% and dry. The moisture content should be watered at 1-2d in advance while controlling the moisture content. During the high temperature season, it is advisable to water the masonry. ???? (4) the cutting block should be used with a hand-held machine or corresponding mechanical equipment. ???? (5) before masonry, the Central Line, the border line and the doors and Windows of the wall of the popup should be pressed to the position of the wall of the wall, and the line shall be drawn as the mark of the leather number pole. The well is designed to be masonry. And properly control the building speed of each day. ???? (6) fill the bottom of the wall of the wall with high strength bricks, such as gray-sand bricks, page tiles, concrete bricks, etc. The height should not be less than 200mm. ???? (7) bricks of different dry density and strength grade shall not be mixed up, and shall not be mixed with other bricks or bricks. ???? (8) the corners of the masonry and the transition shall be built simultaneously. To be unable to build and build at the same time, the temporary discontinuities should be set up. ???? (9) the position of the bar that fills the wall of the wall is in accordance with the number of blocks. Its steel reinforcement method is used in the frame column. The specification, quantity, spacing and length should meet the design requirement. Fill the gap between the filling wall and the frame column. ???? When masonry masonry, the level of water level and flatness shall be strictly controlled. The seam should not be less than one third of the length of the block. It should not be more than 2 PI. ???? (11) of the masonry mortar joint thickness and width should be correct, the horizontal mortar joint thickness and width of the vertical mortar joint should be 15 mm and 20 mm respectively, the horizontal and vertical mortar plumpness of masonry shall be 80% or higher at the same time af